Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115049
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Type: Journal article
Title: Measurement of the inelastic proton-proton cross section at √s = 13 TeV with the ATLAS detector at the LHC
Other Titles: Measurement of the inelastic proton-proton cross section at root s = 13 TeV with the ATLAS detector at the LHC
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Aben, R.
Abouzeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.
et al.
Citation: Physical Review Letters, 2016; 117(18):182002-1-182002-19
Publisher: American Physical Society
Issue Date: 2016
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
M. Aaboud ... P. Jackson ... L. Lee ... A. Petridis ... M.J. White ... [et al.] (The ATLAS Collaboration)
Abstract: This Letter presents a measurement of the inelastic proton-proton cross section using 60 μb⁻¹ of pp collisions at a center-of-mass energy √s of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic scintillators in the forward region (2.07<|η|<3.86) of the detector. A cross section of 68.1±1.4  mb is measured in the fiducial region ξ=M2X/s>10⁻⁶, where Mχ is the larger invariant mass of the two hadronic systems separated by the largest rapidity gap in the event. In this ξ range the scintillators are highly efficient. For diffractive events this corresponds to cases where at least one proton dissociates to a system with Mχ>13  GeV. The measured cross section is compared with a range of theoretical predictions. When extrapolated to the full phase space, a cross section of 78.1±2.9  mb is measured, consistent with the inelastic cross section increasing with center-of-mass energy.
Keywords: ATLAS Collaboration; ATLAS Collaboration
Rights: © 2016 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0030058546
DOI: 10.1103/PhysRevLett.117.182002
Appears in Collections:Physics publications

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